No overlap — one side will join outside working hours
PKT (Karachi)
BRT (São Paulo)
00:00
16:00-1dWorking
01:00
17:00-1d
02:00
18:00-1d
03:00
19:00-1d
04:00
20:00-1d
05:00
21:00-1d
06:00
22:00-1d
07:00
23:00-1d
08:00
00:00
09:00Working
01:00off
10:00Working
02:00off
11:00Working
03:00off
12:00Working
04:00off
13:00Working
05:00off
14:00Working
06:00off
15:00Working
07:00off
16:00Working
08:00off
17:00
09:00Working
18:00
10:00Working
19:00
11:00Working
20:00
12:00Working
21:00
13:00Working
22:00
14:00Working
23:00
15:00Working
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between pkt and brt?
Pakistan Standard Time (pkt) is UTC+5 and Brasilia Time (brt) is UTC-3. The difference between them is 8 hours.
Where is pkt used?
Pakistan Standard Time (pkt) is used in Pakistan and surrounding regions. The IANA timezone identifier is Asia/Karachi.
Where is brt used?
Brasilia Time (brt) is used in Brazil and surrounding regions. The IANA timezone identifier is America/Sao_Paulo.
How do I convert pkt to brt?
Use the interactive converter above. Drag the time slider to any pkt time and the brt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
PKT (Karachi) vs BRT (São Paulo) — time difference
PKT (Karachi) is 8 hours ahead of BRT (São Paulo). At noon in PKT (Karachi), your contact in BRT (São Paulo) sees 04:00.
PKT (Karachi) runs on Asia/Karachi; BRT (São Paulo) runs on America/Sao_Paulo. Together they are 8 hours apart.
Shared working hours
There is no business hours overlap between PKT (Karachi) and BRT (São Paulo) during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.
Best call times between these locations
PKT (Karachi) and BRT (São Paulo) have no shared working window. These slots minimize out-of-hours disruption for both sides.
16:00 Karachi / 08:00 São Paulo⚡ One side off-hours
⚠️ 1h before working hours in São Paulo
17:00 Karachi / 09:00 São Paulo⚡ One side off-hours
⚠️ 1h after working hours in Karachi
15:00 Karachi / 07:00 São Paulo⚡ One side off-hours
⚠️ 2h before working hours in São Paulo
Working hours defined as 09:00–17:00 local time for each location.
Public holidays for both locations
PKT (Karachi)
No upcoming public holidays this year.
BRT (São Paulo)7 holidays
Jul 9Constitutionalist Revolution of 1932SOON
Sep 7Independence Day
Oct 12Our Lady of Aparecida
Nov 2All Souls' Day
Nov 15Republic Proclamation Day
Scheduling between PKT (Karachi) and BRT (São Paulo)
A 8-hour difference separates PKT (Karachi) (Pakistan) and BRT (São Paulo) (Brazil) — wide enough that standard business hours don't align at all. Scheduling requires deliberate compromise from both sides.
💡 Scheduling tips for these locations
⚡
A 16:00 meeting in PKT (Karachi) means 08:00 in BRT (São Paulo) (1h before working hours in São Paulo).
⚡
A 17:00 meeting in PKT (Karachi) means 09:00 in BRT (São Paulo) (1h after working hours in Karachi).
⚡
A 15:00 meeting in PKT (Karachi) means 07:00 in BRT (São Paulo) (2h before working hours in São Paulo).
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am PKT (Karachi)".
